body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    font-family: 黑体;
}

.dingbu{
    margin:0;
    text-align: center;
    background-color: rgb(0, 0, 64);
    height: 50px;
}
/*index.jsp*/
p {
    margin:0;
    font-size: 30px;
    height: 20px;
    color: rgb(255, 255, 255);
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    height: 770px;
    width: 120px;
    font-size: 20px;
    overflow: hidden;
    background-color:rgb(0, 128, 128);
    border-radius: 0 8px 22px 2px;
}

nav li {
    float: left;
}

nav li a {
    display: block;
    color: white;
    padding: 18px 20px;
    text-decoration: none;
}

nav li a:hover {
    color:black;
}

.search {
    margin-top:-745px;
    margin-left: 180px;
    font-size: 20px;
    width: 1000px;
    text-align: center;
}

table {
    border-collapse: collapse;
    margin-left: 180px;
    margin-top: 15px;
    width:1000px;
}

table, th, td {
    border: 1px solid black;
}

th, td {
    padding: 10px;
    text-align: left;
}

/*add.jsp*/
.wbd{
    margin-left: 180px;
    margin-top:-745px;
    width:1000px;
}

.logtip{
    text-align:center;
}

.nbd {
    font-size: 20px;
    line-height: 70px;
    text-align: center;
}

form label {
    margin-bottom: 5px;
    margin-right: 5px;
}

.form-text {
    width: 300px;
    padding: 6px;
    box-sizing: border-box;
}

.btn-a {
    padding: 10px 10px; /*按钮内边距 */
    margin-right: 25px;
    font-size: 18px;
    color: white; /* 按钮文字颜色 */
    border: 0;
    border-radius: 18px; /* 圆角 */
    background-color:rgb(64, 128, 128);/* 背景色 */
}

.btn-b{
    padding: 10px 10px; /*按钮内边距 */
    margin-left: 25px;
    font-size: 18px;
    color: white; /* 按钮文字颜色 */
    border: 0;
    border-radius: 18px; /* 圆角 */
    background-color:rgb(64, 128, 128);/* 背景色 */
}

.btn-a .btn-b:hover {
    background-color: #0056b3; /* 鼠标悬停时的背景色 */
}

.form-btn {
    text-align: center; /* 按钮文字居中 */
}